..CTC can also accurately detect abdominal aortic aneurysm (AAA). This collaborative gastroenterology-radiology project evaluated the cost-effectiveness and clinical efficacy of CTC in the Medicare population...

..The primary aim of this model analysis was to compare the clinical and economic impacts of immediate polypectomy versus 3-year CT colonography (CTC) surveillance for small (6- to 9-mm) polyps detected at CTC screening...

..The purpose of the current study was to assess the potential harms, benefits, and cost-effectiveness of CTC screening without the reporting of diminutive lesions compared with other screening strategies...

Noninvasive radiologic imaging of the large intestine: a valuable complement to optical colonoscopy

Perry J PickhardtDepartment of Radiology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792 3252, USACurr Opin Gastroenterol 26:61-8. 2010

..The aim of this review is to provide an update on current and emerging clinical capabilities for a variety of radiologic diagnostic imaging tools for evaluating the colon and rectum...

..To perform a systematic review and meta-analysis of published studies assessing the sensitivity of both computed tomographic (CT) colonography and optical colonoscopy (OC) for colorectal cancer detection...

..It is concluded that both phantomless QCT and simple ROI attenuation measurements of the lumbar spine are effective for BMD screening at CTC with high sensitivity for osteoporosis, as defined by the DXA T-score...

Small and diminutive polyps detected at screening CT colonography: a decision analysis for referral to colonoscopy

..Our goal was to assess the sensitivity of primary 2D polyp detection with cases from the Department of Defense CTC screening trial and compare results with the primary 3D evaluation and previous 2D CTC trials...

Reproducibility of tumor volume measurement at microCT colonography in living mice

..The aim of this study was to compare the quality of low-volume hybrid computed tomography colonography bowel preparation, using both laxatives and oral contrast, with standard polyethylene glycol lavage...

CT colonography: performance and program outcome measures in an older screening population

..To evaluate our experience in the 1st year of computed tomographic (CT) colonography screening since the initiation of local third-party payer coverage...

Findings on optical colonoscopy after positive CT colonography exam

Daniel CornettSection of Gastroenterology and Hepatology, Department of Medicine, University of Wisconsin Madison School of Medicine and Public Health, Madison, Wisconsin 53792 5124, USAAm J Gastroenterol 103:2068-74. 2008

..The aim of this study is to evaluate the findings on optical colonoscopy (OC) after a positive CT colonography (CTC) exam and characterize the type of polyps seen on OC but not reported by CTC...

Is there sufficient MDCT capacity to provide colorectal cancer screening with CT colonography for the U.S. population?

..Unenhanced computerized tomography represents the gold standard for detection. We evaluated the prevalence and symptomatic incidence of urolithiasis in a large cohort of asymptomatic adults using noncontrast computerized tomography...

Impact of a CT colonography screening program on endoscopic colonoscopy in clinical practice

..The potential effect of CT colonography (CTC) on endoscopic colonoscopy (EC) has been the topic of much speculation. The aim of this study was to evaluate the impact of a CTC screening program on colonoscopy in clinical practice...

B Dustin PoolerDepartment of Radiology, University of Wisconsin School of Medicine and Public Health, Madison, 53792 3252, USAAJR Am J Roentgenol 198:1115-20. 2012

..The purpose of this study is to analyze the attenuation values of pathologically proven renal cell carcinomas (RCCs) on unenhanced CT and to determine the range of values wherein malignancy should be considered...

Courtney BarancinSection of Gastroenterology and Hepatology, Department of Medicine, University of Wisconsin Madison School of Medicine and Public Health, Madison, Wisconsin 53792, USAClin Gastroenterol Hepatol 9:443-5. 2011

..We compared polyp size as seen on CTC with endoscopic visualization, in vivo probe measurement, and ex vivo size before and after fixation...

Increasing computer-aided detection specificity by projection features for CT colonography

Hongbin ZhuDepartment of Radiology, State University of New York, Stony Brook, New York 11794, USAMed Phys 37:1468-81. 2010

..This study aims to develop projection-based features which characterize true and false positives to increase the specificity while maintaining high sensitivity in detecting colonic polyps...

..Reasons for failure to reach the cecum at optical colonoscopy are multifactorial. The purpose of this study was to compare CT colonography (CTC) findings in patients with complete versus those with incomplete optical colonoscopy...

Primary neoplasms of the appendix: radiologic spectrum of disease with pathologic correlation

..It discusses the entire spectrum from program set-up through patient disposition following CTC examination. The authors hope this article will provide a roadmap for radiologists who wish to institute a CTC screening program...

Evaluation of submucosal lesions of the large intestine: part 1. Neoplasms

..It is important that radiologists be familiar with the multimodality imaging appearances of such entities so that neoplasms--especially those that are malignant--can be accurately identified and characterized and effectively managed...

Incidental finding of renal masses at unenhanced CT: prevalence and analysis of features for guiding management

Stacy D O'ConnorDepartment of Radiology, University of Wisconsin School of Medicine and Public Health, Madison, 53792 3252, USAAJR Am J Roentgenol 197:139-45. 2011

..The purposes of this study were to investigate the frequency and clinical relevance of the incidental finding of renal masses at low-dose unenhanced CT and to analyze the results for features that can be used to guide evaluation...

..To prospectively investigate with computed tomographic (CT) colonography the prevalence and size distribution of nonadenomatous polyps in asymptomatic adults and to compare the detection rates of adenomatous and nonadenomatous polyps...

..The role of extracolonic evaluation as an integral part of this examination is also covered. Within this context, the question of whether a radiologist or gastroenterologist is better suited to interpret this examination is explored...

..The purposes of this study were to directly compare 3D endoluminal volume rendering and navigational capabilities of three different CT colonography systems and to assess feasibility of 3D evaluation for primary polyp detection...

..The purpose of this article is to provide a timely update on a variety of key polyp topics to construct a proper framework for physicians who are interested in providing CT colonography screening as a clinical service...

Linear polyp measurement at CT colonography: in vitro and in vivo comparison of two-dimensional and three-dimensional displays